2.Drug Identification and Testing in the Juvenile Justice System by Anne H. Crowe (1998)"phenmetrazine—A central nervous system stimulant of the amphetamine class used
to suppress the appetite. Phentermine—A sympathomimetic amine used in attack ..."

3.Approval and Monitoring of Narcotic Treatment Programs: A Guide on the Roles by Lynne C. McArthur, Yvonne Goldsberry (1998)"... or independently by combination of extraction and chemical synthesis;
methamphetamine; amphetamine; phenmetrazine and its salts; methylphenidate; ..."

5.Code of Federal Regulations: Title 21: Food and Drugs by Food and Drug Administration (FDA) Staff (2005)"... isomers, and salts of its isomers; (vii) Amphetamine, its salts, optical
isomers, and salts of its optical isomers; (viii) phenmetrazine and its salts; ..."